Telephone handset



FIG. 1 is a front view of a of a telephone handset showing my new design;

FIG. 2 is a right side view of the handset;

FIG. 3 is a rear view of the handset;

FIG. 4 is a top view of the handset; and,

FIG. 5 is a bottom view of the handset.

The portions of the article not shown in the drawing are not a part of the claimed design. 

The ornamental design for a telephone handset, as shown and described. 